P0123 and P1597 Codes

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Member

So my manual non cruise control 98 4.0 check engine light is on,I’m getting ridiculously low gas mileage & it surges in 1st gear and dies if I back up real slow and hit the brakes, code p0123 and p1597 came up on the code reader, I replaced my throttle position sensor and reset the code, 1/4 mile later the check engine light came back on and the idle isn’t steady, it’s not surging yet, any suggestions? Maybe a bad 02 sensor giving bad codes?? This started a few weeks after my horn decided to always be on, on a -10 temp morning if that’s somehow relevant

TJ Addict

Because you don't have cruise control the only thing the clock spring hooks up to is the horn. I would disconnect the clock spring completely see if the codes go away before spending the hundred and some-odd dollars for a new one

Member

Because you don't have cruise control the only thing the clock spring hooks up to is the horn. I would disconnect the clock spring completely see if the codes go away before spending the hundred and some-odd dollars for a new one

Yup, airbag lights been on since I bought it in August, and I’ve always had to manually turn off my signals, ( thought that was normal actually) it got cold, my horn turned on and I had to unplug it, a few days later the check engine light came on and the surging when starting off

TJ Addict

Yup, airbag lights been on since I bought it in August, and I’ve always had to manually turn off my signals, ( thought that was normal actually) it got cold, my horn turned on and I had to unplug it, a few days later the check engine light came on and the surging when starting off

Member

Because you don't have cruise control the only thing the clock spring hooks up to is the horn. I would disconnect the clock spring completely see if the codes go away before spending the hundred and some-odd dollars for a new one

Yup, airbag lights been on since I bought it in August, and I’ve always had to manually turn off my signals, it got cold, my horn turned on and I had to unplug it, a few days later the check engine light came on and the surging when starting o

i just removed the bottom shroud and the clock spring is pretty loose, I just watched a video where he replaced a 97 tj clock spring and it fixed the turn signal reset and his horn, my horn stays on though, not off.. I’m curious now if I even needed to replace my tps

TJ Addict

Thats hard to say..... IF... (big if) the cruise control code is causing the problem then it would fix it. I do not know enough about the inner workings of the cruise control code.
if you unplug the clock spring and it stops surging then that was it.
if you have the same problem with the clock spring unplugged then its the TPS.

Member

Thats hard to say..... IF... (big if) the cruise control code is causing the problem then it would fix it. I do not know enough about the inner workings of the cruise control code.
if you unplug the clock spring and it stops surging then that was it.
if you have the same problem with the clock spring unplugged then its the TPS.

Member

Thats hard to say..... IF... (big if) the cruise control code is causing the problem then it would fix it. I do not know enough about the inner workings of the cruise control code.
if you unplug the clock spring and it stops surging then that was it.
if you have the same problem with the clock spring unplugged then its the TPS.

Thats hard to say..... IF... (big if) the cruise control code is causing the problem then it would fix it. I do not know enough about the inner workings of the cruise control code.
if you unplug the clock spring and it stops surging then that was it.
if you have the same problem with the clock spring unplugged then its the TPS.

unplugged and drive 2 miles, no more surging , no more RPM drop when turning my wheel, airbag and check engine light are still on, I’m wondering now if I put my oem tps back in and clear the code if the chk eng light will stay off, the seller told me the airbag light was some module

TJ Addict

unplugged and drive 2 miles, no more surging , no more RPM drop when turning my wheel, airbag and check engine light are still on, I’m wondering now if I put my oem tps back in and clear the code if the chk eng light will stay off, the seller told me the airbag light was some module

Appreciate all the advice from you guys, and damn that skinny yellow connector was a pain to get out, had to push the red in on the sides with screw before I could pull the lock out , then needle nose to get it out,

TJ Addict

Appreciate all the advice from you guys, and damn that skinny yellow connector was a pain to get out, had to push the red in on the sides with screw before I could pull the lock out , then needle nose to get it out,

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